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Finding the Fourth Proportional to 216,775.44, 325,338.12 and 111,624.48

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Solution

The fourth proportional to 216,775.44, 325,338.12 and 111,624.48 is: 167,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775.44 : 325,338.12 = 111,624.48 : x
  2. Step 2: Convert to fraction form
    216,775.44/325,338.12 = 111,624.48/x
  3. Step 3: Cross multiply
    216,775.44x = 325,338.12 × 111,624.48
  4. Step 4: Simplify right side
    216,775.44x = 36,315,698,469.18
  5. Step 5: Solve for x
    x = 36,315,698,469.18/216,775.44
  6. Step 6: Final answer
    x = 167,526.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.